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ICSE Class 8 Biology Question 14 of 21

Transport in Plants — Question 14

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Question 6

Mention two ways in which transpiration helps the plants.

Answer

Two ways in which transpiration helps the plants:

  1. Cooling effect — Transpiration from the aerial parts of the plant, cools down the plant surface.
  2. Ascent of sap and distribution of minerals — Transpiration results in the development of low water potential in the leaf tissues. Thus, water moves from the xylem tissue to the leaf cells and helps in the ascent of sap. Mineral ions also move up along with water due to the transpiration pull.